Asked why there were two rehearsals, Humphrey said: "It’s more about making sure the lighting is right, the cameras know which shots to get, the satellite link to the globe is stable, the graphics are all ready, the bits of VT are right and that we do the draw in the right amount of time allotted to us."

League Two strugglers Yeovil Town are the lowest-ranked team in the hat tonight.

There will be no risn of holders Arsenal, who were dumped out by Nottingham Forest, while Chelsea face a replay.

But it was Coventry who caused the biggest shock of the round when they defeated Premier League side Stoke, a result which cost Mark Hughes his job.